Used in cell phone technology, bluetooth devices, and WiFi, Frequency Hopping Spread Spectrum (FHSS) is often said to have been invented in the early 1940s by none other than Hollywood actress and sex symbol Hedy Lamarr. This talk will present the undeniably entertaining history of a well-known actress moonlighting as a military inventor as well as give an overview of the 100-year-old history of frequency hopping and its past and present uses.